IP Address Quiz

Drill IP classification: private, public, loopback, multicast, link-local and more.

How is 100.64.0.9 classified?

Score 0 / 0

How to read the result

First-octet ranges decide scope: 10/8, 172.16/12, 192.168/16 are private; 127/8 is loopback; 224/4 is multicast.

Example

10.5.6.7 → Private (RFC 1918)

FAQ

What do questions cover?

Classifying addresses as private, public, loopback, multicast, link-local, CGNAT and others.

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